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Caloundra weekend weather

This weekend in Caloundra, Queensland, model by model. Weekend forecasts are far enough out that the models often split — so we show you where.

Weekend

The models centre on about 19° across the weekend. Agreement is medium — plausible, but worth re-checking closer to the day. Rain chance reaches 94% on at least one model.

Tomorrow

2026-08-01 — every model, side by side
EuropeanECMWF
19°
Drizzle
High 19°·Low 11°·Rain 73%
AmericanNOAA GFS
18°
Showers
High 18°·Low ·Rain 94%
GermanDWD ICON
19°
Showers
High 19°·Low 11°·Rain 65%

All 3 models land within 1° of each other for this day — that is a forecast you can plan on.

Sun

2026-08-02 — every model, side by side
EuropeanECMWF
20°
Drizzle
High 20°·Low 11°·Rain 93%
AmericanNOAA GFS
20°
Light drizzle
High 20°·Low 11°·Rain 91%
GermanDWD ICON
18°
Showers
High 18°·Low 12°·Rain 68%

All 3 models land within 2° of each other for this day — that is a forecast you can plan on.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Todaymodels agree19° to 19°±14%75% to 89% chance
Tomorrow±1°18° to 19°±29%65% to 94% chance
Sun±2°18° to 20°±25%68% to 93% chance
Monmodels agree20° to 20°±60%5% to 65% chance
Tue±1°21° to 22°±10%0% to 10% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Common questions

Will it rain this weekend?
At least one model puts the weekend rain chance as high as 94%. Weekend forecasts sit far enough ahead that models frequently disagree on showers — when they do, no single app can honestly tell you it will or will not rain.
How reliable is a weekend forecast?
It depends how far away the weekend is. Forecast error grows steadily with lead time, so a Saturday forecast made on Friday is far stronger than one made the previous Monday. The honest signal is model agreement: when they converge the forecast is solid, and when they spread the weekend is genuinely uncertain.

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